Thermodynamics 101. Energy density:
Petroleum: 15 MJ/kg
TNT: 4.5 MJ/kg
very best battery technology known to man: 0.5-6 MJ/kg
As a power source for transportation, batteries SUCK and are likely to continue sucking.
Solar and wind are problematic because of no practical means of true grid-level storage and this is not likely to change any time soon.
Agreed that burning stuff should not be used, but there is a wonderful alternative that is being held back by politics.
Thorium LFTR. The core tech was proven at Oak Ridge in the 1950s.
Molten-salt Thorium reactors:
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walk-away safe.
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cannot be used to make bombs.
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operate at much lower pressures than uranium reactors.
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can be made fail-safe.
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recycling of the process fluids done while the reactor is operating! You don't need to shutdown to clean the fuel.
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can be used to slowly "burn" existing nuclear waste products such as spent uranium.
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coupled with a super-critical CO2 turbine system makes much smaller turbines for power generation.
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waste heat at 600C can be used to desalinate water.
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Additional waste heat for doing other things like baking bread, heating greenhouses as we go into grand solar minimum.
Steps:
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build, test pilot plant.
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build more in factories instead of custom each time.
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place at coasts to be closer to people and to the ocean for waster desalinization.
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repeat until everyone has nearly free power and unlimited clean water.